| secondary agammaglobulinaemia | Immunodeficiency in which there is no evident defect in the lymphoid tissues, but rather hypercatabolism or loss of immunoglobulins such as occurs in familial idiopathic hypercatabolic hypoproteinaemia or in defects associated with the nephrotic syndrome. Synonym: secondary agammaglobulinaemia, secondary antibody deficiency, secondary hypogammaglobulinaemia. (05 Mar 2000) |
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| secondary alcohol | An alcohol characterised by the bivalent atom group (05 Mar 2000) |
| secondary aldosteronism | Aldosteronism resulting not from a defect intrinsic to the adrenal cortex but from a stimulation of hormonal secretion caused by extra-adrenal disorders; associated with increased plasma renin activity and occurs in heart failure, nephrotic syndrome, cirrhosis, and hypoproteinaemia. (05 Mar 2000) |
| secondary amenorrhoea | Amenorrhoea in which the menses appeared at puberty but subsequently ceased. (05 Mar 2000) |
| secondary amine monooxygenase | <enzyme> Catalyses NADH or NADPH dependent oxidative n-dealkylation of short chain aliphatic secondary amines with a methyl or ethyl group Registry number: EC 1.14.99.- Synonym: dimethylamine mono-oxygenase, secondary amine mono-oxygenase (26 Jun 1999) |
| secondary amputation | Amputation performed some time after a previous amputation that has failed to heal satisfactorily. (05 Mar 2000) |
| secondary amyloidosis | Amyloidosis occurring in association with another chronic inflammatory disease; organs chiefly involved are the liver, spleen, and kidneys, and the adrenal glands less frequently. (05 Mar 2000) |
| secondary anaesthetic | A compound that contributes to, but is not primarily responsible for, loss of sensation when two or more anaesthetics are simultaneously administered. (05 Mar 2000) |
| secondary antibody deficiency | Immunodeficiency in which there is no evident defect in the lymphoid tissues, but rather hypercatabolism or loss of immunoglobulins such as occurs in familial idiopathic hypercatabolic hypoproteinaemia or in defects associated with the nephrotic syndrome. Synonym: secondary agammaglobulinaemia, secondary antibody deficiency, secondary hypogammaglobulinaemia. (05 Mar 2000) |
| secondary antibody response | An antibody made upon second (subsequent) exposure to an antigen, mostly of the class IgG. (09 Oct 1997) |
| secondary aortic area | Region of the chest at the mid-left sternal bases where aortic diastolic murmurs are often best heard. (05 Mar 2000) |
| secondary atelectasis | A nonexpansion of the lungs after birth is known as primary atelectasis. Secondary atelectasis can occur at any age but is common in infants due to hyaline membrane disease. This form may also be seen in patients after surgery (general anaesthesia). See: atelectasis. (27 Sep 1997) |
| secondary axis | Any ray passing through the optical centre of a lens. (05 Mar 2000) |
| secondary buffer | See: Hamburger's law. (05 Mar 2000) |
| secondary calcium phosphate | CaHPO4-2H2O;used as a calcium and phosphorus dietary supplement. Synonym: calcium monohydrogen phosphate, secondary calcium phosphate. (05 Mar 2000) |